1372911-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372911-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,9,1 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1372911-55:
(9*1)+(8*3)+(7*7)+(6*2)+(5*9)+(4*1)+(3*1)+(2*5)+(1*5)=161
161 % 10 = 1
So 1372911-55-1 is a valid CAS Registry Number.